linux-kernel - [PATCH v2 3/4] ASoC: ts3a227e: add set_jack and get_jack

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Date:   Fri, 20 Jan 2023 11:25:53 +0100
From:   Astrid Rost <astrid.rost@...s.com>
To:     Mark Brown <broonie@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>
CC:     <kernel@...s.com>, <alsa-devel@...a-project.org>,
        <linux-kernel@...r.kernel.org>, Astrid Rost <astrid.rost@...s.com>
Subject: [PATCH v2 3/4] ASoC: ts3a227e: add set_jack and get_jack_type

Add set_jack and get_jack_type to allow simple-card-utils to add
a jack for it.

Add a devicetree entry jack-type of type snd_jack_type, in case not
all input types are required.

Signed-off-by: Astrid Rost <astrid.rost@...s.com>
---
 sound/soc/codecs/ts3a227e.c | 29 ++++++++++++++++++++++++++++-
 1 file changed, 28 insertions(+), 1 deletion(-)

diff --git a/sound/soc/codecs/ts3a227e.c b/sound/soc/codecs/ts3a227e.c
index 2305a472d132..432a327c6eb7 100644
--- a/sound/soc/codecs/ts3a227e.c
+++ b/sound/soc/codecs/ts3a227e.c
@@ -28,6 +28,7 @@ struct ts3a227e {
 	bool mic_present;
 	unsigned int buttons_held;
 	int irq;
+	int jack_type;
 };
 
 /* Button values to be reported on the jack */
@@ -258,7 +259,27 @@ int ts3a227e_enable_jack_detect(struct snd_soc_component *component,
 }
 EXPORT_SYMBOL_GPL(ts3a227e_enable_jack_detect);
 
-static struct snd_soc_component_driver ts3a227e_soc_driver;
+static int ts3a227e_set_jack(struct snd_soc_component *component,
+			     struct snd_soc_jack *jack, void *data)
+{
+	if (jack == NULL)
+		return -EINVAL;
+
+	return ts3a227e_enable_jack_detect(component, jack);
+}
+
+static int ts3a227e_get_jack_type(struct snd_soc_component *component)
+{
+	struct ts3a227e *ts3a227e = snd_soc_component_get_drvdata(component);
+
+	return ts3a227e->jack_type;
+}
+
+static const struct snd_soc_component_driver ts3a227e_soc_driver = {
+	.name = "ti,ts3a227e",
+	.set_jack = ts3a227e_set_jack,
+	.get_jack_type = ts3a227e_get_jack_type,
+};
 
 static const struct regmap_config ts3a227e_regmap_config = {
 	.val_bits = 8,
@@ -283,6 +304,12 @@ static int ts3a227e_parse_device_property(struct ts3a227e *ts3a227e,
 	u32 setting3_mask = 0;
 	int err;
 
+	err = device_property_read_u32(dev, "jack-type", &value);
+	if (!err)
+		ts3a227e->jack_type = value & SND_JACK_HEADSET;
+	else
+		ts3a227e->jack_type = SND_JACK_HEADSET;
+
 	err = device_property_read_u32(dev, "ti,micbias", &value);
 	if (!err) {
 		setting3_mask = MICBIAS_SETTING_MASK;
-- 
2.30.2